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| absolute constants | |||
| universal constant | |||
| general constant | |||
| 通用 常 数: 8 phrases in 7 subjects |
| Aviation | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 2 |
| Wind Energy | 1 |
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